diffident
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C2 adjective /ˈdɪfɪdənt/

diffident

Meaning
Shy or lacking confidence in one's own abilities.
Example
He was too diffident to ask a question in class.
C2 noun /ˈɡɔːntlɪt/

gauntlet

ガントレット / 挑戦
Meaning
a protective glove; a challenge or trial; to 'throw down the gauntlet' means to issue a challenge
Example
The knight threw down his gauntlet as a sign of challenge.
騎士は挑戦の印として自分のガントレットを投げた。
C2 noun ˈvaɪ.və ˈvəʊs

viva voce

口頭試験
Meaning
An oral examination, typically for an academic qualification.
Example
Viva Voce tests communication skills.
Viva Voce テストはコミュニケーションスキルを評価します。
C2 noun /sɪˈdɪʃ.ən/

Sedition

反乱罪
Meaning
conduct or speech inciting people to rebel against authority; treason
Example
The activist was charged with sedition for his inflammatory speeches.
活動家はその扇動的な演説のために反乱罪で起訴された。
C2 verb /fɪˈneɪɡəl/

finagle

巧妙さや騙しで物を得る
Meaning
to obtain something by cleverness or trickery
Example
He finagled a free ticket by pretending to be a VIP guest.
彼はVIPゲストだと偽って無料チケットを手に入れた。
C2 adjective /ˌsuːpərˈnuːmərɛri/

supernumerary

余分な
Meaning
Exceeding the usual number; extra or unnecessary.
Example
The play included several supernumerary actors to fill the background scenes.
その劇は背景のシーンを埋めるためにいくつかの余分な俳優を含んでいました。
C2 noun /ˈlɒdʒ.mənt/

lodgment

仮宿
Meaning
The act of lodging or a place of temporary stay; also a deposit of something.
Example
The soldiers found lodgment in the abandoned house.
兵士たちは廃屋で仮宿を見つけました。
C2 noun /ˈduːti/

Dhuti

ドゥティ
Meaning
a traditional Indian garment for men consisting of a piece of unstitched cloth worn around the waist and legs
Example
The elderly man wore a white dhuti during the religious ceremony.
年配の男性は宗教的な儀式で白いドゥティを着ていた。
C2 adjective /ˈlæk.rɪ.moʊs/

lachrymose

涙を流す、悲しむ
Meaning
tearful or given to weeping; sad and mournful
Example
The movie's lachrymose ending left the audience in tears.
映画の悲しい結末は観客を涙で満たしました。
C2 verb /dɪsˈɡɔːrdʒ/

disgorge

嘔吐, 排出
Meaning
to discharge or pour out; to vomit; to give up reluctantly
Example
The broken pipe disgorged water all over the floor.
壊れたパイプが床全体に水を吐き出しました。
C2 adjective /ˌɪnɔːˈspɪʃəs/

Inauspicious

不吉
Meaning
unlucky; showing signs that future success is unlikely; unfavorable
Example
The dark clouds seemed inauspicious for the wedding.
暗い雲は結婚式にとって不吉に思えた。
C2 adjective /ɪˈmɒdɪst/

immodest

傲慢 / 不適切
Meaning
lacking humility or decency; excessively proud or improper
Example
His immodest remarks offended the audience.
彼の傲慢な発言は観客を不快にさせた。
C2 noun /ˌɔːrdɪˈneɪʃən/

ordination

任命式
Meaning
The ceremony of conferring holy orders or official religious authority.
Example
The church held a special service for the ordination of new priests.
教会は新しい神父の任命のために特別なサービスを行いました。
C2 noun /ˌmɔːzəˈliːəm/

mausoleum

霊廟
Meaning
A large stately building that houses a tomb or several tombs.
Example
The king was buried in a grand mausoleum.
王は壮大な霊廟に埋葬されました。
C2 verb /ɪkˈstruːd/

extrude

押し出す
Meaning
to force something out through a small opening; to shape by pushing material through a mold
Example
The factory extrudes plastic pipes using modern machines.
工場は最新の機械を使用してプラスチック管を押し出します。
C2 noun /ˈtɜːrnkoʊt/

turncoat

裏切り者
Meaning
a person who switches allegiance, often betraying a cause or group
Example
He was branded a turncoat after joining the rival political party.
彼はライバルの政治党に参加した後、裏切り者と呼ばれました。
C2 noun /ˈslʌɡərd/

sluggard

怠け者
Meaning
A lazy, sluggish person.
Example
The sluggard refused to get out of bed even at noon.
怠け者は正午でもベッドから起きることを拒否しました。
C2 noun /ˈbloʊˌhɑrd/

blowhard

自慢話をする人
Meaning
a person who brags a lot or talks in a boastful way
Example
Everyone avoided the blowhard at the party because he wouldn't stop bragging.
パーティーでみんなはその自慢話をする人を避けた。なぜなら、彼は自慢を止めなかったから。
C2 noun /ɪnˈɛrənsi/

inerrancy

無謬性
Meaning
the belief or quality of being free from error; absolute correctness
Example
Some religious groups strongly affirm the inerrancy of their sacred texts.
いくつかの宗教団体は、自分たちの聖典の誤りのなさを強く主張しています。
C2 verb /kənˈsɪlieɪt/

conciliate

Meaning
to stop someone from being angry; to win over by friendly acts
Example
He tried to conciliate the angry customer with an apology.
C2 noun ˌpɜː.tɪˈnæs.ɪ.ti

pertinacity

固い決意と粘り強さ
Meaning
Firm determination and persistence in achieving something.
Example
His pertinacity in achieving his goals was inspiring.
彼の目標達成への固い決意は感動的でした。
C2 adjective /ˈɡaɪlləs/

guileless

無邪気
Meaning
Innocent and without deceit
Example
Her guileless smile won everyone’s heart.
彼女の無邪気な笑顔は皆の心をつかみました。
C2 noun /hʊˈzɑːr/

hussar

フサール
Meaning
a member of a light cavalry regiment in European armies, especially the Hungarian cavalry
Example
The hussar rode swiftly across the battlefield.
フサールは戦場を素早く駆け抜けた。
C2 adjective /ˈɪndələnt/

indolent

怠惰
Meaning
Wanting to avoid activity or exertion; lazy.
Example
The indolent cat slept in the sun all afternoon.
怠惰な猫は午後ずっと太陽の下で寝ていました。
C2 noun /ˈɛpəlɛt/

epaulette

肩章
Meaning
A variant spelling of epaulet, also meaning a shoulder ornament, especially on military uniforms.
Example
The officer’s epaulette shone brightly under the sunlight.
その将校のエポレットは太陽の下で輝いていました。
C2 adjective /ˈreə.rɪ.faɪd/

rarefied

Meaning
Of high moral, intellectual, or cultural value; distant from ordinary life.
Example
He works in the rarefied world of classical music.
C2 noun /əˌnʌn.siˈeɪ.ʃən/

annunciation

発表、良い知らせ
Meaning
The announcement of something; in Christianity, the announcement by the angel Gabriel to Mary that she would conceive Jesus.
Example
The church celebrated the Feast of the Annunciation with a special service.
教会は特別なサービスでアナンシエーションの祝祭を祝いました。
C2 noun /ˈfɪlɪɡri/

filigree

繊細な装飾細工、通常は金または銀で作られた
Meaning
delicate ornamental work of fine wire, usually of gold or silver
Example
The necklace was decorated with intricate gold filigree.
ネックレスは複雑な金のフィリグリーで飾られていました。
C2 noun /ˈhɔɪdən/

hoyden

やんちゃな女の子
Meaning
a boisterous or tomboyish girl
Example
The hoyden preferred climbing trees to playing with dolls.
やんちゃな女の子は、ぬいぐるみで遊ぶよりも木に登るのが好きでした。
C2 verb /ˈnuːkliˌeɪt/

nucleate

核形成
Meaning
to form into a nucleus or bring together into a central part
Example
The droplets began to nucleate around tiny particles in the air.
水滴は空気中の小さな粒子の周りで核を形成し始めました。
C2 adjective /nɪˈfɛəriəs/

nefarious

邪悪な、犯罪者、または道徳的に悪い
Meaning
Wicked, criminal, or morally bad.
Example
The police uncovered a nefarious plot to cheat investors.
警察は投資家を欺こうとする邪悪な陰謀を暴露しました。
C2 adjective /ˈsɜːrkəmskraɪbd/

circumscribed

制限された
Meaning
restricted or limited in scope or freedom
Example
Her freedom of choice was circumscribed by social rules.
彼女の選択の自由は社会的なルールによって制限されていた。
C2 adjective /ˌdɒktrɪˈnɛər/

doctrinaire

教条主義者
Meaning
stubbornly devoted to a theory or doctrine without regard to practical considerations
Example
His doctrinaire approach to politics alienated many supporters.
彼の教条主義的な政治アプローチは、多くの支持者を遠ざけた。
C2 adjective /ˈɛrzæts/

ersatz

代用品
Meaning
made or used as a substitute, typically an inferior one
Example
The cheap shoes were made of ersatz leather.
安い靴は代用品の合成皮革で作られていました。
C2 adjective /ˈfætʃuəs/

fatuous

愚か
Meaning
silly or foolish, especially in a self-satisfied way
Example
His fatuous comments during the meeting annoyed everyone.
会議中に彼の愚かなコメントは皆を苛立たせました。
C2 noun /dɪˈdʒɛkʃən/

dejection

落胆
Meaning
a state of sadness, depression, or low spirits
Example
She sat in a state of dejection after hearing the bad news.
彼女は悪い知らせを聞いた後、落胆した状態で座っていた。
C2 noun /ˌkʌl.pəˈbɪl.ɪ.ti/

culpability

有罪
Meaning
responsibility for a fault or wrong; blameworthiness
Example
The jury considered his level of culpability in the crime.
陪審員はその犯罪における彼の有罪の程度を考慮しました。
C2 verb /sɪˈkwɛstreɪt/

sequestrate

差し押さえる
Meaning
To take legal possession of assets until a debt is paid or disputes are resolved.
Example
The court decided to sequestrate the company's property.
裁判所は会社の財産を差し押さえることを決定しました。
C2 noun ˌiːkwəˈnɪməti

equanimity

心の平静、冷静さ、バランス、特に困難な状況下で
Meaning
Mental calmness, composure, and evenness of temper, especially in a difficult situation.
Example
She handled the news with remarkable equanimity.
彼女はそのニュースを驚くべき冷静さで対処した。
C2 noun /ˈɡæd.flaɪ/

gadfly

厄介な人
Meaning
A person who annoys or criticizes others to stimulate change or provoke action.
Example
The journalist was a gadfly, constantly questioning the government's policies.
そのジャーナリストは厄介な人で、政府の政策を常に疑問視していた。
C2 noun /ˈfɔːθ.raɪt.nəs/

forthrightness

坦率さ
Meaning
The quality of being honest and straightforward; directness.
Example
Her forthrightness made her a respected journalist.
Her forthrightness made her a respected journalist.
C2 noun /ˌɔːltərˈkeɪʃən/

altercation

口論, 言い争い
Meaning
a noisy argument or quarrel
Example
There was a brief altercation between the two drivers.
二人のドライバーの間で短い口論がありました。
C2 adjective /ˈsloʊθfəl/

slothful

怠惰
Meaning
Lazy, idle, and unwilling to work.
Example
She was too slothful to get out of bed early.
彼女はベッドから早く起きるにはあまりにも怠惰でした。
C2 adjective /ɪˈnjʊərd/

inured

慣れた
Meaning
Accustomed to something, especially something unpleasant.
Example
After years of hardship, she was inured to suffering.
長年の苦しみの後、彼女は苦しみに慣れていた。
C2 adverb /ˌfɔːrθˈwɪθ/

Forthwith

ただちに; 遅れなく; すぐに
Meaning
immediately; without delay; at once
Example
The manager ordered the employee to stop the unsafe practice forthwith.
マネージャーは従業員に危険な行為をただちにやめるように命じました。
C2 adjective /ˈmɛtəlˌsʌm/

mettlesome

勇敢な
Meaning
Full of courage and spirit; lively and spirited.
Example
The mettlesome young rider never backed down from a challenge.
その勇敢な若い騎手は挑戦から決して後退しなかった。
C2 noun /pɪθ/

pith

本質、要点
Meaning
the essential or central part of something
Example
The pith of his argument was that honesty matters most.
彼の議論の本質は、誠実さが最も重要だということでした。
C2 noun /trænsˈluːsəns/

translucence

半透明性
Meaning
the quality of allowing light to pass through but not detailed shapes
Example
The translucence of the curtains filled the room with soft light.
カーテンの半透明性は部屋を柔らかい光で満たしました。
C2 noun /ɪmˈbroʊlioʊ/

imbroglio

困惑
Meaning
An extremely confused, complicated, or embarrassing situation.
Example
The political imbroglio lasted for months without resolution.
政治的な困惑は数ヶ月間解決なしで続きました。
C2 adjective ˌɪm.pəˈtɜː.bə.bəl

imperturbable

冷静沈着
Meaning
Unable to be upset or excited; not easily disturbed.
Example
His imperturbable nature made him a great leader.
彼の冷静沈着な性格は、彼を偉大なリーダーにした。
C2 noun /ˌmɛɡələˈmeɪniə/

megalomania

権力、富、または全能の幻想
Meaning
A condition characterized by delusional fantasies of power, wealth, or omnipotence.
Example
The dictator’s megalomania led him to believe he was invincible.
独裁者のメガロマニアは彼に自分が無敵だと信じさせました。
C2 noun /ˈdʒæɡ.ər.i/

Jaggary

ジャガリー
Meaning
unrefined sugar made from sugarcane or palm sap; a traditional sweetener
Example
My grandmother uses jaggery instead of white sugar in her recipes.
私の祖母はレシピで白い砂糖の代わりにジャガリーを使います。
C2 verb /ˌdɪsəˈbjuːz/

disabuse

誤解を解く
Meaning
To free someone from a false belief or misconception.
Example
The teacher tried to disabuse the students of their misunderstanding.
先生は生徒たちの誤解を解こうとしました。
C2 verb /ˈhɛktər/

hector

脅して話す
Meaning
To talk to someone in a bullying or intimidating way.
Example
The manager hectored the staff into working overtime.
マネージャーはスタッフに残業をさせるために脅しました。
C2 noun /ˈflɒtsəm/

flotsam

漂流物
Meaning
Floating debris from a shipwreck or things discarded and left floating.
Example
The beach was littered with flotsam after the storm.
嵐の後、ビーチは漂流物で埋め尽くされていた。
C2 noun /troʊp/

trope

文学的な使い古し
Meaning
A common or overused theme, idea, or device in literature, film, or speech.
Example
The film avoided the usual superhero tropes.
その映画は、一般的なスーパーヒーローのトロープを避けました。
C2 adjective /daɪˈæfənəs/

diaphanous

透けている
Meaning
Light, delicate, and translucent.
Example
She wore a diaphanous dress that shimmered in the sunlight.
彼女は太陽の光の中で輝く透けているドレスを着ていた。
C2 noun /ɪˌdʒækjʊˈleɪʃən/

ejaculation

射精 / 突然の叫び
Meaning
The action of suddenly saying something or the release of semen during sexual climax.
Example
His sudden ejaculation of joy surprised everyone in the room.
彼の突然の喜びの射精は部屋の中の誰もが驚いた。
C2 verb /ˈkænənaɪz/

canonize

Meaning
To officially declare a dead person a saint; to regard as great or significant.
Example
The church canonized the martyr after years of investigation.
C2 verb /ˈoʊɡəl/

ogle

じっと見る
Meaning
To look at someone with obvious sexual interest.
Example
He kept ogling the models on the runway.
彼はランウェイのモデルたちを見続けた。
C2 noun /ˈtʃɜː.nɪŋ stɪk/

Churning stick

バターバトン
Meaning
a wooden stick used for stirring and churning butter, milk, or other liquids
Example
Grandmother used a churning stick to make fresh butter.
おばあさんは新鮮なバターを作るためにチャーニングスティックを使いました。
C2 noun /ˈɛdi/

eddy

渦巻き
Meaning
A circular movement of water, air, or smoke, counter to the main current, causing a small whirlpool or turbulence.
Example
The canoe was caught in an eddy near the rocks.
カヌーは岩の近くで渦巻きに巻き込まれた。
C2 noun /ɑːlˈfækʃən/

olfaction

嗅覚
Meaning
The sense of smell; the process of detecting and perceiving odors.
Example
Dogs have a highly developed sense of olfaction.
犬は非常に発達した嗅覚を持っています。
C2 noun /ˈɡɑːrɡɔɪl/

gargoyle

石の彫刻（グロテスクな形）
Meaning
A carved stone figure, often of a grotesque creature, on a building, typically used as a spout to carry water away.
Example
The ancient cathedral had gargoyles on every corner.
古代の大聖堂には、すべての角にガーゴイルがありました。
C2 noun /ˌɪrɪˈdɛsəns/

iridescence

虹色の輝き
Meaning
a play of lustrous, changing colors like those of a rainbow
Example
The butterfly's wings shimmered with iridescence.
蝶の羽は虹色の輝きで輝いていました。
C2 noun /sneɪk ɡɔːrd/

Snake gourd

ヘビウリ
Meaning
a long, curved vegetable that resembles a snake, commonly used in South Asian cuisine
Example
The snake gourd grows in a twisted, serpentine shape in the garden.
ヘビウリは庭で蛇のような形に曲がりながら育ちます。
C2 adjective /ˈnjuːbaɪl/

nubile

未婚女性
Meaning
of a young woman, sexually mature and suitable for marriage
Example
The village was celebrating the festival with its nubile maidens dancing.
村はその未婚女性たちが踊る祭りを祝っていました。
C2 noun /əˈpɒθəˌkɛri/

apothecary

薬剤師
Meaning
A historical term for a person who prepared and sold medicines and drugs.
Example
The village apothecary provided remedies for many common illnesses.
村のアポセカリーは多くの一般的な病気に対する治療法を提供しました。
C2 noun /kəˈdʌm.bə/

Kadamba

カダンバの木
Meaning
A tropical tree with round, fragrant orange flowers, sacred in Hindu culture and associated with Lord Krishna
Example
The kadamba tree is mentioned frequently in ancient Indian poetry.
カダンバの木は古代インドの詩で頻繁に言及される。
C2 adjective /ˌʌnpriːpəˈzɛsɪŋ/

unprepossessing

魅力的でない
Meaning
not attractive or appealing in appearance
Example
Despite his unprepossessing looks, he was very kind and intelligent.
彼は魅力的でない外見にもかかわらず、非常に親切で賢かった。
C2 noun /əˈsɜːrbəti/

acerbity

辛辣さ
Meaning
bitterness or sharpness of tone, manner, or taste
Example
The acerbity of his remarks left everyone silent.
彼の発言の辛辣さは、みんなを静かにさせた。
C2 noun /ˈbeɪlɔːr/

bailor

寄託者
Meaning
a person who temporarily transfers possession of goods or property to another under a bailment agreement
Example
The bailor entrusted the valuable artwork to the museum for safekeeping.
寄託者は美術品を博物館に預けた。
C2 noun /hæɡ/

Hag

魔女
Meaning
an ugly old woman, especially a vicious or malicious one; a witch
Example
In the fairy tale, the wicked hag lived alone in a cottage deep in the forest.
おとぎ話では、邪悪な魔女が森の奥深くの小屋に一人で住んでいた。
C2 noun /ˈkrɛməˌtɔːri/

crematory

火葬場
Meaning
a place where dead bodies are cremated
Example
The crematory was located near the cemetery.
火葬場は墓地の近くにありました。
C2 noun /ˈnoʊzˌɡeɪ/

nosegay

花束
Meaning
a small bunch of flowers, typically given as a gift or carried for decoration
Example
She carried a nosegay of fresh roses to the ceremony.
彼女は式典に新鮮なバラの花束を持って行った。
C2 verb /drəˈɡuːn/

dragoon

強制する
Meaning
to force someone to do something through coercion or intimidation
Example
The manager tried to dragoon the team into working overtime.
マネージャーはチームに残業させようとしました。
C2 noun /ˈbroʊmaɪd/

bromide

ありきたりなアイデア
Meaning
A trite or unoriginal idea or remark; also a chemical compound of bromine.
Example
His speech was full of old bromides about hard work.
彼のスピーチは、努力についての古いありきたりなアイデアでいっぱいだった。
C2 adjective /ˈiːkwaɪn/

equine

馬に関連する
Meaning
Relating to or resembling a horse.
Example
The veterinarian specialized in equine medicine.
獣医は馬の医療に専門特化していました。
C2 verb /ˌɪntərˈsiːd/

intercede

Meaning
to act or plead on behalf of someone in difficulty or trouble; to intervene between parties to help resolve a dispute
Example
She interceded with the teacher to give her brother another chance.
C2 adjective /ˌɪnɪkˈsprɛsəbl/

inexpressible

言葉では表現できない
Meaning
Too strong or extreme to be expressed in words.
Example
She felt inexpressible joy at the news of her success.
彼女は成功の知らせを聞いて言葉では表現できない喜びを感じた。
C2 noun /ˈflɛdʒlɪŋ/

fledgeling

若鳥
Meaning
A young bird that has just developed its feathers and is learning to fly; a beginner.
Example
The fledgeling was trying hard to take its first flight.
若鳥は最初の飛行をしようとしていました。
C2 verb /ˈprɛsɪdʒ/

presage

予兆
Meaning
to be a sign or warning that something will happen; to foreshadow
Example
Dark clouds presage a storm.
暗い雲が嵐を予告する。
C2 noun /ˈɡræn.juːl/

granule

粒
Meaning
A small compact particle of a substance.
Example
Each granule of salt sparkled under the sunlight.
塩の粒は日光の下で輝いていました。
C2 noun /ʃɪˈfɒn/

chiffon

シフォン
Meaning
A lightweight, sheer fabric often used in dresses or scarves.
Example
She wore a beautiful chiffon dress at the party.
彼女はパーティーで美しいシフォンのドレスを着ていました。
C2 noun /ˈsɪbɪləns/

sibilance

シューシュー音
Meaning
A hissing or hushing sound, especially in speech with 's' or 'sh'.
Example
The poet used sibilance to create a soft, hissing effect in the verse.
詩人は詩の中で柔らかいシューシュー音を作り出すためにシビランスを使いました。
C2 adjective /ˈfrɛtfəl/

fretful

不安な
Meaning
Feeling or showing distress or irritation.
Example
The baby was fretful all night and could not sleep.
赤ちゃんは一晩中不安で眠れませんでした。
C2 adjective /ˈhɔːrtətɔːri/

hortatory

Meaning
Intended to encourage or urge to action.
Example
The manager’s hortatory words inspired the team to work harder.
C2 noun /ɪmˈpjuːɪsəns/

impuissance

無力, 無能
Meaning
inability to take effective action; helplessness
Example
The government’s impuissance in the face of crisis frustrated the people.
危機の前で政府の無力さが人々を失望させた。
C2 noun /ˈɒlɪv bɑːb/

Olive barb

オリーブバーブ
Meaning
A small freshwater fish with olive-colored body and barbels
Example
The olive barb is commonly found in South Asian rivers.
オリーブバーブは南アジアの川によく見られます。
C2 adjective /ˈstɒlɪd/

stolid

冷静な、無表情な
Meaning
Calm, dependable, and showing little emotion or animation.
Example
Despite the chaos around him, he remained stolid and composed.
周りの混乱にもかかわらず、彼は冷静で落ち着いていました。
C2 noun /əˈplɒm/

aplomb

Meaning
Complete and confident self-assurance or poise.
Example
She handled the difficult questions with aplomb.
C2 noun /ˈɛəri/

aerie

鷲の巣
Meaning
A large nest of a bird of prey, especially an eagle, typically built high in a tree or on a cliff.
Example
The eagle built its aerie on the high cliff.
ワシは高い崖に巣を作った
C2 noun əˈdrɔɪt.nəs

adroitness

巧みさ
Meaning
Cleverness or skill, especially in using the hands or mind; skillful dexterity.
Example
His adroitness in negotiations secured the deal.
彼の交渉での巧みさが契約を成立させた。
C2 adjective /ˈpɛkəbl/

peccable

過ちを犯しやすい
Meaning
liable to sin or error; capable of doing wrong
Example
Humans are peccable, but they strive for goodness.
人間は過ちを犯しやすいが、善を追い求める。
C2 adjective /ˌsʌpəzɪˈtɪʃəs/

supposititious

仮定的
Meaning
Based on assumption rather than fact; not genuine or authentic.
Example
The story turned out to be supposititious, with no evidence to support it.
その話は仮定的であり、それを支持する証拠はありませんでした。
C2 noun /ˌkæt ə ˈnaɪn ˌteɪlz/

cat-o-nine-tails

九つの尾を持つ鞭
Meaning
A whip with nine knotted cords, historically used for punishment.
Example
The sailor feared the cat-o-nine-tails more than the storm at sea.
その水夫は海の嵐よりもキャット・オー・ナイン・テイルズを恐れていた。
C2 noun /ˌɡæskəˈneɪd/

gasconade

誇張, 自慢
Meaning
Extravagant boasting or bragging.
Example
His endless gasconade made him unpopular among his peers.
彼の終わりのない自慢は彼を仲間の中で不人気にした。
C2 noun /ˈsɪlvər kɑrp/

Silver carp

銀鯉
Meaning
a large freshwater fish with silvery scales, commonly farmed for food
Example
Silver carp is widely cultivated in fish farms across Asia.
銀鯉はアジアの養魚場で広く養殖されています。
C2 noun phrase /ˌhjuː ən ˈkraɪ/

hue and cry

大声の抗議
Meaning
A loud public outcry or protest, often demanding action.
Example
There was a hue and cry over the new policy changes.
新しい政策変更に対して、大声の抗議が起こった。
C2 adjective /beɪˈkoʊniən/

baconian

ベコニアン
Meaning
Relating to the philosopher Francis Bacon or his method of scientific reasoning.
Example
The researcher followed a Baconian approach to observation and experimentation.
研究者は観察と実験のためにベコニアンアプローチを採用しました。
C2 adjective /æbˈstruːs/

abstruse

難解
Meaning
Difficult to understand; obscure.
Example
The abstruse nature of the philosophical debate left many confused.
哲学的議論の難解な性質は多くの人々を困惑させた。
C2 noun/verb /ɡraʊs/

grouse

不平を言う / 鳥の一種
Meaning
A type of bird; or to complain or grumble persistently.
Example
He always grouses about the long hours at work.
彼はいつも長時間働くことに不平を言います。
C2 noun kəmˈpʌŋk.ʃən

compunction

後悔
Meaning
A feeling of guilt or moral scruple that prevents or follows the doing of something bad.
Example
He felt compunction after lying to his friend.
彼は友達に嘘をついた後、後悔の念を感じました。
C2 noun /raɪm/

rime

霜
Meaning
frost formed on cold surfaces by freezing water vapor
Example
The trees were covered with a white rime after the cold night.
木々は冷たい夜の後、白い霜で覆われていました。
C2 verb /ˈʌndərˌraɪt/

underwrite

Meaning
To guarantee financial support, especially by agreeing to cover losses or risks; in insurance, to assess and accept risks.
Example
The bank agreed to underwrite the company's new bond issue.
C2 adjective /prɪˈhɛnsaɪl/

prehensile

把握するための適応
Meaning
adapted for seizing or grasping, especially by wrapping around an object
Example
The monkey used its prehensile tail to hang from the branch.
サルはそのプリヘンシル尾を使って枝からぶら下がっていた。
C2 adjective /ˈwɪt.ləs/

Witless

愚かな; 知恵がない; 頭の悪い
Meaning
lacking intelligence or wisdom; foolish
Example
His witless remarks during the meeting embarrassed everyone present.
会議中の彼の愚かな発言は、出席者全員を困らせました。
C2 noun /ˈmæk.rəˌkɒz.əm/

macrocosm

マクロコスモス
Meaning
The whole universe considered as a large, complex system; a large-scale representation of something.
Example
The macrocosm of the universe reflects the microcosm of human life.
宇宙のマクロコスモスは人間の生活のミクロコスモスを反映しています。
C2 noun /ˈsɪŋ.krə.ni/

synchrony

シンクロニシティ
Meaning
Coordination in time, harmony in action or movement.
Example
Their dance performance showed perfect synchrony.
彼らのダンスパフォーマンスは完璧なシンクロニシティを示しました。
C2 adjective /pəˈlɛmɪkəl/

polemical

論争的
Meaning
relating to or involving strongly critical or controversial writing or speech
Example
She wrote a polemical article challenging traditional beliefs.
彼女は伝統的な信念に挑戦する論争的な記事を書いた。
C2 adjective /prəˈpʌlsɪv/

propulsive

推進的
Meaning
Having the power to drive or push something forward.
Example
The propulsive force of the rocket lifted it off the ground.
ロケットの推進力はそれを地面から持ち上げました。
C2 noun /ˈænti/

ante

Meaning
a stake put up by a player in poker or similar games before receiving cards; also used figuratively to mean an initial investment or contribution
Example
Each player placed an ante before the game began.
C2 adjective /baɪˈkæmərəl/

bicameral

二院制
Meaning
Having two branches or chambers, especially in a legislature.
Example
The United States has a bicameral legislature consisting of the Senate and the House of Representatives.
アメリカ合衆国には上院と下院から成る二院制の立法機関があります。
C2 verb /rɪˈkjʊə/

recure

再治療する
Meaning
to cure again; to remedy a second time
Example
The doctor had to recure the wound after it reopened.
医者は傷が再び開いた後、傷を再治療する必要がありました。
C2 adjective fɔːˈtjuː.ɪ.təs

fortuitous

偶然の
Meaning
Happening by accident or chance rather than design; lucky or fortunate.
Example
Their meeting was purely fortuitous.
彼らの出会いは完全に偶然でした。
C2 noun /bɪˈtroʊðəl/

betrothal

婚約
Meaning
The formal engagement to be married.
Example
Their betrothal was announced to the whole village.
彼らの婚約は村中に発表されました。
C2 verb /əˈkuːtər/

accouter

装備する
Meaning
to equip or outfit, typically with military or ceremonial attire
Example
The soldiers were accoutered in full battle gear.
兵士たちは完全な戦闘装備を整えていた。
C2 noun /dɪˈfoʊliənt/

defoliant

Meaning
a chemical that causes leaves to drop from plants, often used in warfare or agriculture
Example
The army sprayed defoliant to clear the forest cover.
C2 noun /ɪˈfʌldʒəns/

effulgence

輝き
Meaning
Brilliant radiance or shining brightness.
Example
The effulgence of the sunrise lit up the entire valley.
日の出の輝きが谷全体を照らした。
C2 noun ˌfjuːmɪˈɡeɪʃən

fumigation

燻蒸
Meaning
The practice of disinfecting or purifying an area using gas or smoke.
Example
Fumigation is an effective method to control pest infestations.
消毒は害虫の侵入を制御するための効果的な方法です。
C2 adjective /ˈɡʌstəˌtɔːri/

gustatory

味覚の
Meaning
relating to the sense of taste
Example
The restaurant offered a gustatory experience unlike any other.
レストランは他に類を見ない味覚体験を提供しました。